Home / 140,831.28-194,347.14-84,255.96

Finding the Fourth Proportional to 140,831.28, 194,347.14 and 84,255.96

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Solution

The fourth proportional to 140,831.28, 194,347.14 and 84,255.96 is: 116,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,831.28 : 194,347.14 = 84,255.96 : x
  2. Step 2: Convert to fraction form
    140,831.28/194,347.14 = 84,255.96/x
  3. Step 3: Cross multiply
    140,831.28x = 194,347.14 × 84,255.96
  4. Step 4: Simplify right side
    140,831.28x = 16,374,904,853.95
  5. Step 5: Solve for x
    x = 16,374,904,853.95/140,831.28
  6. Step 6: Final answer
    x = 116,273.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.